boston marathon if you look at what else has happened this week we've had the rice in letters sent to obama and the two senators as well so right now there is a heightened level of attentiveness if you will in the country. so. while we can't say definitively i mean this could have very well been someone putting their cigarette in the wrong place when they shouldn't have the smoking but i think you're going to find an extra level of attention to detail that investigators are going to put considering the heightened level of tension in the united states right now ok well danny is now back with us i understand. can you hear us danny. yes i can enter thank you we've just been talking to shawn there about potential causes and he did stress the high level of tension in the united states in the moment what is the government said oh are we expected to hear from them shortly and what would we expect to hear from them. well i don't know what they're going to say but it would i'm pretty sure that they're going to be very cautious as far as numbers as far as any preliminary. so as far as causes what cau